//
//  HMUserAccount.swift
//  iOSWeibo11
//
//  Created by Apple on 16/7/21.
//  Copyright © 2016年 Apple. All rights reserved.
//

import UIKit

// CustomStringConvertible

/// 用户账户模型
class HMUserAccount: NSObject, NSCoding {
    /// AccessToken,用于获取用户数据
    var access_token: String?
    
    /// 使用KVC 属性不要private,如果真的要private 加上 @objc
    /// 基本数据类型如果使用?,那么KVC就找不到属性
    /// access_token的生命周期，单位是秒数。
    var expires_in: NSTimeInterval = 0 {
        didSet {
            // 计算过期时间
            expiresDate = NSDate(timeIntervalSinceNow: expires_in)
        }
    }
    
    /// 过期时间,NSDate类型,方便后面比较
    var expiresDate: NSDate?
    
    /// 授权用户的UID，
    var uid: String?
    
    /// 用户名称
    var screen_name: String?
    
    /// 用户头像 180×180像素
    var avatar_large: String?
    
    init(dict: [String: AnyObject]) {
//        access_token = dict["access_token"] as! String
//        expires_in = dict["expires_in"] as! NSTimeInterval
//        uid = dict["uid"] as! String
        
        super.init()
        
        // 对象方法需要在对象创建完成后才能调用
        setValuesForKeysWithDictionary(dict)
        
        // setValuesForKeysWithDictionary 会根据dict里面的key来调用 setValue:forKey:
        // dict ["access_token": "2.00aa", "expires_in": 123434345, "uid": 123, "remind_in": "123"]
        /*
        setValue("2.00aa", forKey: "access_token")
        setValue("123434345", forKey: "expires_in")
        setValue("123", forKey: "uid")
        setValue("123", forKey: "remind_in")
        */
        
    }
    
    // 字典中的key在模型中找不到对应的属性,如果不实现这个方法就会崩溃
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        print("forUndefinedKey: \(key)")
    }
    
    /// 对象打印
    override var description: String {
        get {
            return "access_token: \(access_token), expires_in: \(expires_in), uid: \(uid), expiresDate: \(expiresDate), screen_name: \(screen_name), avatar_large: \(avatar_large)"
        }
    }
    
    // MARK: - 归档和解档相关
    required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        expires_in = aDecoder.decodeDoubleForKey("expires_in")
        uid = aDecoder.decodeObjectForKey("uid") as? String
        expiresDate = aDecoder.decodeObjectForKey("expiresDate") as? NSDate
        screen_name = aDecoder.decodeObjectForKey("screen_name") as? String
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as? String
        
        super.init()
    }
    
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeDouble(expires_in, forKey: "expires_in")
        aCoder.encodeObject(uid, forKey: "uid")
        aCoder.encodeObject(expiresDate, forKey: "expiresDate")
        aCoder.encodeObject(screen_name, forKey: "screen_name")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
    }
}
